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Diffstat (limited to 'fs/nfs/write.c')
-rw-r--r--fs/nfs/write.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 8ab3cf10d79..c12effb46fe 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -396,6 +396,7 @@ int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc)
out:
clear_bit(BDI_write_congested, &bdi->state);
wake_up_all(&nfs_write_congestion);
+ writeback_congestion_end();
return err;
}
@@ -590,8 +591,8 @@ static void nfs_cancel_commit_list(struct list_head *head)
req = nfs_list_entry(head->next);
nfs_list_remove_request(req);
nfs_inode_remove_request(req);
- nfs_clear_page_writeback(req);
dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
+ nfs_clear_page_writeback(req);
}
}
@@ -1252,7 +1253,13 @@ int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
dprintk("NFS: %4d nfs_writeback_done (status %d)\n",
task->tk_pid, task->tk_status);
- /* Call the NFS version-specific code */
+ /*
+ * ->write_done will attempt to use post-op attributes to detect
+ * conflicting writes by other clients. A strict interpretation
+ * of close-to-open would allow us to continue caching even if
+ * another writer had changed the file, but some applications
+ * depend on tighter cache coherency when writing.
+ */
status = NFS_PROTO(data->inode)->write_done(task, data);
if (status != 0)
return status;
@@ -1273,7 +1280,7 @@ int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
if (time_before(complain, jiffies)) {
dprintk("NFS: faulty NFS server %s:"
" (committed = %d) != (stable = %d)\n",
- NFS_SERVER(data->inode)->hostname,
+ NFS_SERVER(data->inode)->nfs_client->cl_hostname,
resp->verf->committed, argp->stable);
complain = jiffies + 300 * HZ;
}
@@ -1386,8 +1393,8 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how)
req = nfs_list_entry(head->next);
nfs_list_remove_request(req);
nfs_mark_request_commit(req);
- nfs_clear_page_writeback(req);
dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
+ nfs_clear_page_writeback(req);
}
return -ENOMEM;
}